Indoor halogen lamp



FIG. 1 is a perspective view taken from the left side of an indoor halogen lamp showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a side elevational view thereof.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for an indoor halogen lamp, as shown and described. 